diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index f724d71..35a7940 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -15,11 +15,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 20
+    - name: Set up JDK 21
       uses: actions/setup-java@v3
       with:
-        distribution: 'temurin' # See 'Supported distributions' for available options
-        java-version: '20'
+        distribution: 'zulu' # See 'Supported distributions' for available options
+        java-version: '21'
         architecture: 'x64' # defaults to 'x64'
         cache: 'maven'
     - name: Cache Maven packages